High levels of hemolysis do not affect measurement of PAPP-A, β-HCG and TRAb on BRAHMS KRYPTOR compact plus

To assess the impact of high levels of hemolysis on the laboratory results for free β-hCG, PAPP-A, and TRAb performed on the B·R·A·H·M·S KRYPTOR Compact PLUS. Adapted from the CLSI guidelines EP07-A2, paired difference testing was performed on serum samples from the routine laboratory workflow. Thre...

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Vydáno v:Scandinavian journal of clinical and laboratory investigation Ročník ahead-of-print; číslo ahead-of-print; s. 1 - 4
Hlavní autoři: Pettersson Pablo, Paul, Aneskans, Cecilia, Vink, Martin
Médium: Journal Article
Jazyk:angličtina
Vydáno: England Taylor & Francis 03.10.2023
Témata:
beta subunit
Chorionic gonadotropin
fluoroimmunoassay
hemolysis
human
pregnancy-associated plasma protein-A
TSH receptor antibody
TSH receptor antibody
beta subunit
fluoroimmunoassay
Chorionic gonadotropin
pregnancy-associated plasma protein-A
human
hemolysis
ISSN:0036-5513, 1502-7686, 1502-7686
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Shrnutí:To assess the impact of high levels of hemolysis on the laboratory results for free β-hCG, PAPP-A, and TRAb performed on the B·R·A·H·M·S KRYPTOR Compact PLUS. Adapted from the CLSI guidelines EP07-A2, paired difference testing was performed on serum samples from the routine laboratory workflow. Three sample pools for each assessed analyte was prepared and subjected to increased levels of added hemolysate. For β-hCG and PAPP-A, the relative difference in the measured analyte concentration between the sample with 0 g/L added Hb and the samples with increasing free Hb concentrations (up to 6 g/L), was well below the pre-set acceptance criterion of 10% at all levels. The TRAb results showed greater variation than the other analytes, likely a consequence of imprecision rather than hemolysis. Hemolysis has a negligible effect on the analysis results of free beta-hCG, PAPP-A and TRAb measured on the B·R·A·H·M·S KRYPTOR Compact PLUS.
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISSN:0036-5513
1502-7686
1502-7686
DOI:10.1080/00365513.2023.2233886